单选题Electricity （） by the Greeks a good many years ago.Awas first foundBwas first discoveredChas first been discoveredDwas seen first
单选题
Electricity （） by the Greeks a good many years ago.
A
was first found
B
was first discovered
C
has first been discovered
D
was seen first
参考解析
解析：
暂无解析
相关考题：
The Chinese people first _______ paper about 2 000 years ago. A.discoveredB.foundC.experiencedD.invented
A good command of English depends upon ________ practice. A. a lot ofB. a great dealC. a number ofD. a good many
The earthquake in the past ten years caused many buildings to (). A、collapseB、terrifyC、tendD、threaten
He bought a car several years ago, and now it is still in good () A.wayB.situationC.moodD.condition
I’m sorry to hear that his father died five years ago.(改为同义句)I’m sorry to hear that his father has ________ ________ for five years.
The sentence" We have people. . . down the road" ( Line 4, Paragraph 2)probably means[ A] we have people calling us for parking space two years ahead of time.[ B] people called us for permission to use the places two years ago.[ C] we received calls from people down the road two years ago.[D] people called us for school vacancies two years in advance.
The story she has just told _______ me of an experience I had several years ago. A.remembersB.remindsC.refersD.reflects
－－Do you know Mary very well?－－Yes, she and I _______ friends since we met in university 20 years ago. A.have becomeB.have turnedC.have madeD.have been
Even in the modern world, there are still many people live in ______________. A、poorB、povertyC、good conditionD、wealth
Electricity ________ by the Greeks a good many years ago. A.was first foundB.was first discoveredC.has first been discoveredD.was seen first
We can infer from Dr Myers and Dr. Worm’s paper thatA. the stock of large predators in some old fisheries has reduced by 90%. B. there are only half as many fisheries as there were 15 years ago. C. the catch sizes in new fisheries are only 20% of the original amount. D. the number of larger predators dropped faster in new fisheries than in the old.
According to the text, which of the following is true?［A］ the popularity of gap years results from an increasing number of charities.［B］ Prince William was working hard during his gap year.［C］ gap years are not as fashionable as they were ten years ago.［D］ a well-structured gap year is a guarantee of university success.
Edison invented the light bulb many years ago（改为被动语态）The light bulb__________ __________by Edison many years ago．
Everyone has their embarrassing moments. Many celebrities say they__________in so many embarrassing situations over the years.A．had beenB．have beenC．wereD．are
Many could not attend good schools，get good jobs，or live in nice houses because of the color of their（ ）． A. facesB. skinC. bodiesD. people
Renewable electricity generation is now on par with ______ of natural gas, which remained relatively stable in last years.A.the oneB.whichC.thatD.what
Electricity （） by the Greeks a good many years ago.Awas first foundBwas first discoveredChas first been discoveredDwas seen first
单选题People decided to honor Edison when _____.Ahe made the first electric lightBelectric power was 100 years oldCthe country realized electricity’s importanceDhe died in 1931
单选题_____AIt is seriously polluted.BThe air is very clear.CThere are few cars and factories.DIt remains what it was ten years ago.
单选题Which of the following statements is true of the tobacco industry?ATobacco is bad for people’s health but good for the national economy.BTobacco has had a favourable economic impact in many countries in recent years.CDeveloped countries such as UK and the U.S. should transfer their technology in the tobacco industry to the developing countries.DTobacco industry is bad for the economy for rich and poor countries alike.
单选题Ivan: I brought you the new Groove People CD. Dale: What good is a CD if I haven’t got a CD player? Ivan: I can bring you a CD player. Dale: What good is a CD player if I don’t even have electricity? Ivan: ________. Dale: What good is calling the Electric Company if I haven’t got a house?AWhy do you have so many questions?BWhat are you going to buy tomorrow?CWhy don’t you call the Electric Company?DWhere did you buy the new CD?
单选题Electricity （） by the Greeks a good many years ago.Awas first foundBwas first discoveredChas first been discoveredDwas seen first